Iridium complex and preparation method thereof as well as electroluminescent device applying iridium complex
A technology of iridium complexes and complexes, applied in the fields of electroluminescent devices and organic electroluminescent devices, can solve the problems of reduced efficiency, efficiency roll-off, etc., and achieve the effects of stable chemical properties, high yield, and easy sublimation and purification
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[0019] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. The terms used in the present invention, unless otherwise specified, generally have the meanings commonly understood by those skilled in the art.
[0020] The iridium complexes of the present invention have used iridium trichloride, R / S-piperene, acetophenone, 4-fluoroacetophenone, 4-trifluoromethylacetophenone, 4-phenyl Acetophenone, 4-(3-pyridyl)acetophenone, 4-(4-fluoro-3-pyridyl)acetophenone, 4-(4-trifluoromethyl-3-pyridyl)acetophenone , 3-pyridine ethyl ketone, 4-pyridine ethyl ketone, 5-pyridine ethyl ketone, 2-naphthyl ethyl ketone, 3-bromopyridine, 5-bromopyrimidine and tetraphenylphosphonimide etc., the synthesis method is similar. Mix an iridium dimeric bridging complex containing two main ligands (R-)4 containing a chiral piperene group with an auxiliary ligand tetraphenylphosphonimide and sodium carbonate Any one of -piperene-2-phe...
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